16268791 has 8 divisors (see below), whose sum is σ = 20283264. Its totient is φ = 12676920.

The previous prime is 16268771. The next prime is 16268809. The reversal of 16268791 is 19786261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16268791 - 2¹¹ = 16266743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16268701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105565 + ... + 105718.

It is an arithmetic number, because the mean of its divisors is an integer number (2535408).

Almost surely, 2^16268791 is an apocalyptic number.

16268791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16268791 is a deficient number, since it is larger than the sum of its proper divisors (4014473).

16268791 is a wasteful number, since it uses less digits than its factorization.

16268791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211301.

The product of its digits is 36288, while the sum is 40.

The square root of 16268791 is about 4033.4589374382. The cubic root of 16268791 is about 253.3874455429.

The spelling of 16268791 in words is "sixteen million, two hundred sixty-eight thousand, seven hundred ninety-one".